#include <iostream>
#include <string>
using namespace std;

int main()
{
    char str1[] = "string1";
    string str2 = "string2";
    
    cout << str1<<endl;
    cout<<str2<<endl;

    int a;
    cout << "input a number : " << endl ;
    cin >> a;
    cout << "a = " << a << endl;
    return 0;
}